*{
	padding:0px;
	margin:0px;
}
ul,li{
	list-style-type: none;
}
#content{
	width:60%;
	height:60%;
	top:20%;
	left: 20%;
	position: absolute;
	overflow: hidden;
}
.content-wrap{
	position:relative;
}
.content-wrap>li{
	background-color: #CAE1FF;
	color: red;
	float: left;
	overflow: hidden;
	position: relative;
}
.content-wrap>li:nth-child(2){
	background-color: #9BCD9B;
}
.content-wrap>li:nth-child(3){
	background-color: yellow;
}
.button button{
	width: 150px;
	height: 50px;
}
.button{
	position: absolute;
	bottom: 0px;
}